期刊
SOLID STATE IONICS
卷 177, 期 11-12, 页码 1099-1104出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ssi.2006.03.031
关键词
solid electrolytes; iron oxychloride; water intercalation; ionic conductivity; lithium intercalation; layered compounds; nuclear magnetic resonance
Iron oxychloride has been lithiated by the reaction with n-butyllithium and thereafter exposed to air. Lithium intercalation increases several orders of magnitude of the electrical conductivity of the pristine material although the intercalate remains a semiconductor. This phase, after being exposed to atmospheric humidity becomes an ionic conductor, with a conductivity comparable to that of some molten salts, and does not show electronic conduction in the whole range of temperatures of measurement (150-300 K), a strong non-Arrhenius behaviour being observed. Impedance spectroscopy and NMR techniques, among others, have been used to follow this behaviour. (c) 2006 Elsevier B.V. All rights reserved.
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